SOLUTION: How do you slove this problem: the 4th root of (x-5) to the 8th power? i need help with the steps so i can see how its done. thanks.

Question 118257:

How do you slove this problem: the 4th root of (x-5) to the 8th power?
i need help with the steps so i can see how its done. thanks.
Found 2 solutions by stanbon, checkley71:
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
How do you solve this problem: the 4th root of (x-5) to the 8th power?
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4th root of (x-5)^8 = (x-5)^(8/4) = (x-5)^2
= x^2-10x+25
===================
Cheers,
Stan H.

Answer by checkley71(8403) (Show Source): You can put this solution on YOUR website!
4throot(x-5)^8=4throot[(x-5)^4(x-5)^4]=(x-5)(x-5)=x^2-10x+25 answer.
proof:
letx=7:
4throot(7-5)^8=4throot(2)^8=4throot256=4 answer.
7^2-10*7+25=49-70+25=74-70=4 answer.

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